Bearings Outrace Abec-5 carbon 8 pcs Bearings Abec-5 Outrace will ensure smooth rolling of the wheel. Durable. Set of 8 bearings and 4 bushes will be compatible with standard models of rollerblades, roller skates, scooters etc.  Technical data:· material: Carbon· tolerance class: Abec-5· ; ball bearings· set includes: 8 pcs bearings 4 bushes